This patch adds SDHC support, and corrects current pins setup.
Added irq handling on card removal.
Signed-off-by: NVladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>